Association Between Maternal Working Status and Unintentional Injuries Among 3 to 4-Month-Old Infants in Japan.

Objectives: Globally, unintentional injuries are one of the leading causes of infant death. Established risk factors for injuries during infancy include single parent households, socioeconomic disadvantage and maternal postpartum depression. We sought to examine whether maternal working status is associated with unintentional injury among infants in Japan.